Finding the Fourth Proportional to 35,639.24, 53,452.72 and 10,672.60

Step by Step Solution

1. Step 1: Write the proportion equation
   35,639.24 : 53,452.72 = 10,672.60 : x
2. Step 2: Convert to fraction form
   35,639.24/53,452.72 = 10,672.60/x
3. Step 3: Cross multiply
   35,639.24x = 53,452.72 × 10,672.60
4. Step 4: Simplify right side
   35,639.24x = 570,479,499.47
5. Step 5: Solve for x
   x = 570,479,499.47/35,639.24
6. Step 6: Final answer
   x = 16,007.06